---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-26-021040"
form_type: "8-K"
ticker: "OMER"
cik: "0001285819"
company_name: "OMEROS CORP"
filed_at: "2026-06-18T11:52:18+00:00"
generated_at: "2026-06-18T11:55:08.576842+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Omeros to repurchase up to $16M principal of 9.50% Convertible Notes for ~$34M

## Summary
- Repurchase of up to $16.0M aggregate principal amount of 9.50% Convertible Senior Notes due 2029.
- Total purchase price up to ~$34.0M, including accrued interest, subject to adjustment based on common stock trading price.
- Expected closing between July 6 and July 16, 2026.
- After repurchase, approximately $54.8M principal amount of Notes will remain outstanding.

## SEC filing metadata
- accession: 0001437749-26-021040
- form_type: 8-K
- ticker: OMER
- cik: 0001285819
- company_name: OMEROS CORP
- filed_at: 2026-06-18T11:52:18+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1285819/000143774926021040/0001437749-26-021040-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1285819/000143774926021040/omer20260618_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-26-021040
- JSON: https://secwatch.observer/filing/0001437749-26-021040.json
- Plain text: https://secwatch.observer/filing/0001437749-26-021040.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.